Transcription of Modeling Latches and Flip-flops - Xilinx
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Modeling Latches and Flip-flops - Xilinx
Lab Workbook Modeling Latches and Flip-flops Artix-7 5-1 copyright 2015 Xilinx Modeling Latches and Flip-flops Introduction Sequential circuits are digital circuits in which the output depends not only on the present input (like combinatorial circuits), but also on the past sequence of inputs. In effect, these circuits must be able to remember something about the past history of the inputs. Thus the timing concept is introduced and the clock signal provides the timing essence to the sequential circuits. Latches and Flip-flops are commonly used memory devices in sequential circuits. Please refer to the Vivado tutorial on how to use the Vivado tool for creating projects and verifying digital circuits.
• Model various types of latches • Model flip-flops with control signals Latches Part 1 Storage elements can be classified into latches and flip-flops. A latch is a device with exactly two stable states: a high-output and a low-output. A latch has a feedback path, so information can be retained by the device.
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